Why we need this role
The Senior Infrastructure Engineer is a technical authority responsible for the architecture, detailed design, implementation and lifecycle improvement of Linux-based platforms supporting critical telecommunications network services. The role leads complex engineering changes, establishes reusable standards, drives automation and provides technical leadership during major incidents and problem investigations. The Senior Engineer will have deep Linux expertise and advanced capability in at least one relevant service domain, such as DNS, routing infrastructure, identity and authentication, or network observability. The role mentors Engineers, reviews technical designs and ensures that security, resilience, monitoring and operational readiness are engineered into each platform. The role works as part of a team supporting a distributed estate of hundreds of Linux systems across critical network, security, operational and business services.
- Platforms and Services
- The team designs, deploys, automates and maintains Linux infrastructure supporting:
- Authoritative, recursive and caching DNS services.
- Route reflectors and other routing control-plane services.
- Authentication, authorisation and accounting services.
- Identity management, directory and privileged-access integrations.
- Network observability, telemetry, logging and monitoring platforms.
- Network-management and automation services.
- Virtualised and, where appropriate, containerised infrastructure.
- Supporting services such as NTP, PKI, certificate management, secure repositories and configuration services.
Show the full description
What you will do
- Technical Leadership and Platform Engineering
- Act as technical authority for assigned Linux platforms and services and provide advanced engineering guidance.
- Lead high-level and low-level designs for complex, critical or high-risk infrastructure changes.
- Set reusable engineering patterns, platform standards and implementation approaches.
- Lead technical design reviews, risk assessments, migration planning and operational acceptance.
- Mentor Engineers, review technical work and strengthen team capability through knowledge sharing.
- Network-Critical Services
- Design, implement and improve enterprise DNS services, including architecture, delegation, resolution, resilience, security and troubleshooting.
- Engineer Linux platforms supporting route reflectors and other routing control-plane services in partnership with Network Engineering and Architecture.
- Design and enhance authentication, authorisation, accounting, identity and directory services, including Red Hat and Oracle LDAP environments.
- Engineer observability, monitoring, telemetry, logging and network-management platforms that support reliable network operations.
